Refactor: Make PyAuto InstallExtension() take a string. Delete dead code.

chrome/test/automation/automation_proxy.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_TEST_AUTOMATION_AUTOMATION_PROXY_H_
 #define CHROME_TEST_AUTOMATION_AUTOMATION_PROXY_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 179 matching lines @@
   void SignalAppLaunch(const std::string& version_string);
   void SignalInitialLoads();
   // load_time is how long, in ms, the tab contents took to load.
   void SignalNewTabUITab(int load_time);
 
   // Set whether or not running the save page as... command show prompt the
   // user for a download path.  Returns true if the message is successfully
   // sent.
   bool SavePackageShouldPromptUser(bool should_prompt) WARN_UNUSED_RESULT;
 
-  // Installs the extension crx. If |with_ui| is true an install confirmation
+  // Installs the extension. If |with_ui| is true an install confirmation
   // and notification UI is shown, otherwise the install is silent. Returns the
   // ExtensionProxy for the installed extension, or NULL on failure.
   // Note: Overinstalls and downgrades will return NULL.
-  scoped_refptr<ExtensionProxy> InstallExtension(const FilePath& crx_file,
+  scoped_refptr<ExtensionProxy> InstallExtension(const FilePath& extension_path,
                                                  bool with_ui);
 
   // Asserts that the next extension test result is true.
   void EnsureExtensionTestResult();
 
   // Resets to the default theme. Returns true on success.
   bool ResetToDefaultTheme();
 
   // Generic pattern for sending automation requests.
   bool SendJSONRequest(const std::string& request,
@@ skipping 92 matching lines @@
 
   // Delay to let the browser execute the command.
   base::TimeDelta action_timeout_;
 
   base::PlatformThreadId listener_thread_id_;
 
   DISALLOW_COPY_AND_ASSIGN(AutomationProxy);
 };
 
 #endif  // CHROME_TEST_AUTOMATION_AUTOMATION_PROXY_H_